23861620403 has 2 divisors, whose sum is σ = 23861620404. Its totient is φ = 23861620402.

The previous prime is 23861620399. The next prime is 23861620477. The reversal of 23861620403 is 30402616832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23861620403 - 2² = 23861620399 is a prime.

It is not a weakly prime, because it can be changed into another prime (23861640403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11930810201 + 11930810202.

It is an arithmetic number, because the mean of its divisors is an integer number (11930810202).

Almost surely, 2^23861620403 is an apocalyptic number.

23861620403 is a deficient number, since it is larger than the sum of its proper divisors (1).

23861620403 is an equidigital number, since it uses as much as digits as its factorization.

23861620403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 23861620403 in words is "twenty-three billion, eight hundred sixty-one million, six hundred twenty thousand, four hundred three".