23642522446 has 16 divisors (see below), whose sum is σ = 35558509680. Its totient is φ = 11789729280.

The previous prime is 23642522443. The next prime is 23642522537. The reversal of 23642522446 is 64422524632.

It is a super-2 number, since 2×23642522446² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23642522399 and 23642522408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23642522443) 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, 1162606 + ... + 1182766.

It is an arithmetic number, because the mean of its divisors is an integer number (2222406855).

Almost surely, 2^23642522446 is an apocalyptic number.

23642522446 is a deficient number, since it is larger than the sum of its proper divisors (11915987234).

23642522446 is a wasteful number, since it uses less digits than its factorization.

23642522446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21699.

The product of its digits is 552960, while the sum is 40.

The spelling of 23642522446 in words is "twenty-three billion, six hundred forty-two million, five hundred twenty-two thousand, four hundred forty-six".