23405077 has 2 divisors, whose sum is σ = 23405078. Its totient is φ = 23405076.

The previous prime is 23405071. The next prime is 23405101. The reversal of 23405077 is 77050432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17901361 + 5503716 = 4231^2 + 2346^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23405077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23405071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11702538 + 11702539.

It is an arithmetic number, because the mean of its divisors is an integer number (11702539).

Almost surely, 2^23405077 is an apocalyptic number.

It is an amenable number.

23405077 is a deficient number, since it is larger than the sum of its proper divisors (1).

23405077 is an equidigital number, since it uses as much as digits as its factorization.

23405077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 23405077 is about 4837.8793908075. The cubic root of 23405077 is about 286.0465350461.

The spelling of 23405077 in words is "twenty-three million, four hundred five thousand, seventy-seven".