115423400 has 48 divisors (see below), whose sum is σ = 273447900. Its totient is φ = 45294080.

The previous prime is 115423381. The next prime is 115423403. The reversal of 115423400 is 4324511.

It can be written as a sum of positive squares in 6 ways, for example, as 22146436 + 93276964 = 4706^2 + 9658^2 .

It is a super-2 number, since 2×115423400² = 26645122535120000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (115423403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5156 + ... + 16044.

Almost surely, 2^115423400 is an apocalyptic number.

115423400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115423400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136723950).

115423400 is an abundant number, since it is smaller than the sum of its proper divisors (158024500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115423400 is a wasteful number, since it uses less digits than its factorization.

115423400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10958 (or 10949 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 115423400 is about 10743.5282845069. The cubic root of 115423400 is about 486.8904852360.

Adding to 115423400 its reverse (4324511), we get a palindrome (119747911).

The spelling of 115423400 in words is "one hundred fifteen million, four hundred twenty-three thousand, four hundred".