23351772043 has 2 divisors, whose sum is σ = 23351772044. Its totient is φ = 23351772042.

The previous prime is 23351772019. The next prime is 23351772053. The reversal of 23351772043 is 34027715332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23351772043 - 2²¹ = 23349674891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23351771993 and 23351772011.

It is not a weakly prime, because it can be changed into another prime (23351772013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11675886021 + 11675886022.

It is an arithmetic number, because the mean of its divisors is an integer number (11675886022).

Almost surely, 2^23351772043 is an apocalyptic number.

23351772043 is a deficient number, since it is larger than the sum of its proper divisors (1).

23351772043 is an equidigital number, since it uses as much as digits as its factorization.

23351772043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 37.

The spelling of 23351772043 in words is "twenty-three billion, three hundred fifty-one million, seven hundred seventy-two thousand, forty-three".