123314511400 has 24 divisors (see below), whose sum is σ = 286706239470. Its totient is φ = 49325804480.

The previous prime is 123314511377. The next prime is 123314511401. The reversal of 123314511400 is 4115413321.

It can be written as a sum of positive squares in 3 ways, for example, as 78515402436 + 44799108964 = 280206^2 + 211658^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (123314511401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308286079 + ... + 308286478.

Almost surely, 2^123314511400 is an apocalyptic number.

123314511400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123314511400 is an abundant number, since it is smaller than the sum of its proper divisors (163391728070).

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

123314511400 is a wasteful number, since it uses less digits than its factorization.

123314511400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616572573 (or 616572564 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 123314511400 its reverse (4115413321), we get a palindrome (127429924721).

The spelling of 123314511400 in words is "one hundred twenty-three billion, three hundred fourteen million, five hundred eleven thousand, four hundred".