23400242524442 has 16 divisors (see below), whose sum is σ = 40123078010880. Its totient is φ = 10026581232528.

The previous prime is 23400242524433. The next prime is 23400242524489. The reversal of 23400242524442 is 24442524200432.

It is a super-2 number, since 2×23400242524442² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23400242524396 and 23400242524405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174441818 + ... + 174575909.

It is an arithmetic number, because the mean of its divisors is an integer number (2507692375680).

Almost surely, 2^{23400242524442} is an apocalyptic number.

23400242524442 is a deficient number, since it is larger than the sum of its proper divisors (16722835486438).

23400242524442 is a wasteful number, since it uses less digits than its factorization.

23400242524442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349022525.

The product of its (nonzero) digits is 491520, while the sum is 38.

Adding to 23400242524442 its reverse (24442524200432), we get a palindrome (47842766724874).

The spelling of 23400242524442 in words is "twenty-three trillion, four hundred billion, two hundred forty-two million, five hundred twenty-four thousand, four hundred forty-two".