23145303400 has 48 divisors (see below), whose sum is σ = 53937887040. Its totient is φ = 9236606400.

The previous prime is 23145303353. The next prime is 23145303427. The reversal of 23145303400 is 430354132.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48054 + ... + 220453.

It is an arithmetic number, because the mean of its divisors is an integer number (1123705980).

Almost surely, 2^23145303400 is an apocalyptic number.

23145303400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23145303400 is an abundant number, since it is smaller than the sum of its proper divisors (30792583640).

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

23145303400 is a wasteful number, since it uses less digits than its factorization.

23145303400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268954 (or 268945 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 23145303400 its reverse (430354132), we get a palindrome (23575657532).

The spelling of 23145303400 in words is "twenty-three billion, one hundred forty-five million, three hundred three thousand, four hundred".