23012761 has 2 divisors, whose sum is σ = 23012762. Its totient is φ = 23012760.

The previous prime is 23012723. The next prime is 23012791. The reversal of 23012761 is 16721032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22992025 + 20736 = 4795^2 + 144^2 .

It is a cyclic number.

It is not a de Polignac number, because 23012761 - 2¹⁵ = 22979993 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (23012791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506380 + 11506381.

It is an arithmetic number, because the mean of its divisors is an integer number (11506381).

Almost surely, 2^23012761 is an apocalyptic number.

It is an amenable number.

23012761 is a deficient number, since it is larger than the sum of its proper divisors (1).

23012761 is an equidigital number, since it uses as much as digits as its factorization.

23012761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 23012761 is about 4797.1617650440. The cubic root of 23012761 is about 284.4392833141.

Adding to 23012761 its reverse (16721032), we get a palindrome (39733793).

The spelling of 23012761 in words is "twenty-three million, twelve thousand, seven hundred sixty-one".