23401350487 has 2 divisors, whose sum is σ = 23401350488. Its totient is φ = 23401350486.

The previous prime is 23401350419. The next prime is 23401350499. The reversal of 23401350487 is 78405310432.

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-23401350487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23401356487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11700675243 + 11700675244.

It is an arithmetic number, because the mean of its divisors is an integer number (11700675244).

Almost surely, 2^23401350487 is an apocalyptic number.

23401350487 is a deficient number, since it is larger than the sum of its proper divisors (1).

23401350487 is an equidigital number, since it uses as much as digits as its factorization.

23401350487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 23401350487 in words is "twenty-three billion, four hundred one million, three hundred fifty thousand, four hundred eighty-seven".