23434203232402 has 4 divisors (see below), whose sum is σ = 35151304848606. Its totient is φ = 11717101616200.

The previous prime is 23434203232397. The next prime is 23434203232421. The reversal of 23434203232402 is 20423230243432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20768627822121 + 2665575410281 = 4557261^2 + 1632659^2 .

It is a super-2 number, since 2×23434203232402² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5858550808099 + ... + 5858550808102.

Almost surely, 2^{23434203232402} is an apocalyptic number.

23434203232402 is a deficient number, since it is larger than the sum of its proper divisors (11717101616204).

23434203232402 is a wasteful number, since it uses less digits than its factorization.

23434203232402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11717101616203.

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 23434203232402 its reverse (20423230243432), we get a palindrome (43857433475834).

The spelling of 23434203232402 in words is "twenty-three trillion, four hundred thirty-four billion, two hundred three million, two hundred thirty-two thousand, four hundred two".