23151529787 has 2 divisors, whose sum is σ = 23151529788. Its totient is φ = 23151529786.

The previous prime is 23151529763. The next prime is 23151529813. The reversal of 23151529787 is 78792515132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23151529787 - 2¹⁶ = 23151464251 is a prime.

It is not a weakly prime, because it can be changed into another prime (23151529717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11575764893 + 11575764894.

It is an arithmetic number, because the mean of its divisors is an integer number (11575764894).

Almost surely, 2^23151529787 is an apocalyptic number.

23151529787 is a deficient number, since it is larger than the sum of its proper divisors (1).

23151529787 is an equidigital number, since it uses as much as digits as its factorization.

23151529787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 50.

The spelling of 23151529787 in words is "twenty-three billion, one hundred fifty-one million, five hundred twenty-nine thousand, seven hundred eighty-seven".