23158453 has 2 divisors, whose sum is σ = 23158454. Its totient is φ = 23158452.

The previous prime is 23158409. The next prime is 23158463. The reversal of 23158453 is 35485132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22819729 + 338724 = 4777^2 + 582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23158453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23158463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11579226 + 11579227.

It is an arithmetic number, because the mean of its divisors is an integer number (11579227).

Almost surely, 2^23158453 is an apocalyptic number.

It is an amenable number.

23158453 is a deficient number, since it is larger than the sum of its proper divisors (1).

23158453 is an equidigital number, since it uses as much as digits as its factorization.

23158453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

The square root of 23158453 is about 4812.3230357074. The cubic root of 23158453 is about 285.0382753560.

The spelling of 23158453 in words is "twenty-three million, one hundred fifty-eight thousand, four hundred fifty-three".