23311443202 has 4 divisors (see below), whose sum is σ = 34967164806. Its totient is φ = 11655721600.

The previous prime is 23311443193. The next prime is 23311443257. The reversal of 23311443202 is 20234411332.

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., 13693914441 + 9617528761 = 117021^2 + 98069^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5827860799 + ... + 5827860802.

Almost surely, 2^23311443202 is an apocalyptic number.

23311443202 is a deficient number, since it is larger than the sum of its proper divisors (11655721604).

23311443202 is a wasteful number, since it uses less digits than its factorization.

23311443202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11655721603.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 23311443202 its reverse (20234411332), we get a palindrome (43545854534).

The spelling of 23311443202 in words is "twenty-three billion, three hundred eleven million, four hundred forty-three thousand, two hundred two".