23153000503 has 2 divisors, whose sum is σ = 23153000504. Its totient is φ = 23153000502.

The previous prime is 23153000491. The next prime is 23153000509. The reversal of 23153000503 is 30500035132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23153000503 is a prime.

It is a super-2 number, since 2×23153000503² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23153000509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11576500251 + 11576500252.

It is an arithmetic number, because the mean of its divisors is an integer number (11576500252).

Almost surely, 2^23153000503 is an apocalyptic number.

23153000503 is a deficient number, since it is larger than the sum of its proper divisors (1).

23153000503 is an equidigital number, since it uses as much as digits as its factorization.

23153000503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 22.

Adding to 23153000503 its reverse (30500035132), we get a palindrome (53653035635).

The spelling of 23153000503 in words is "twenty-three billion, one hundred fifty-three million, five hundred three", and thus it is an aban number.