23402420432 has 20 divisors (see below), whose sum is σ = 45351578340. Its totient is φ = 11698787328.

The previous prime is 23402420417. The next prime is 23402420533.

It is a happy number.

23402420432 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 19125783616 + 4276636816 = 138296^2 + 65396^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70433 + ... + 227520.

It is an arithmetic number, because the mean of its divisors is an integer number (2267578917).

Almost surely, 2^23402420432 is an apocalyptic number.

It is an amenable number.

23402420432 is a deficient number, since it is larger than the sum of its proper divisors (21949157908).

23402420432 is a wasteful number, since it uses less digits than its factorization.

23402420432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302870 (or 302864 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The spelling of 23402420432 in words is "twenty-three billion, four hundred two million, four hundred twenty thousand, four hundred thirty-two".