23253440442 has 16 divisors (see below), whose sum is σ = 48007103232. Its totient is φ = 7501109760.

The previous prime is 23253440437. The next prime is 23253440447. The reversal of 23253440442 is 24404435232.

It is an interprime number because it is at equal distance from previous prime (23253440437) and next prime (23253440447).

It is not an unprimeable number, because it can be changed into a prime (23253440447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62509063 + ... + 62509434.

It is an arithmetic number, because the mean of its divisors is an integer number (3000443952).

Almost surely, 2^23253440442 is an apocalyptic number.

23253440442 is an abundant number, since it is smaller than the sum of its proper divisors (24753662790).

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

23253440442 is a wasteful number, since it uses less digits than its factorization.

23253440442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125018533.

The product of its (nonzero) digits is 92160, while the sum is 33.

Adding to 23253440442 its reverse (24404435232), we get a palindrome (47657875674).

The spelling of 23253440442 in words is "twenty-three billion, two hundred fifty-three million, four hundred forty thousand, four hundred forty-two".