23403501983 has 2 divisors, whose sum is σ = 23403501984. Its totient is φ = 23403501982.

The previous prime is 23403501971. The next prime is 23403501991. The reversal of 23403501983 is 38910530432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23403501983 - 2²⁰ = 23402453407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23403506983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11701750991 + 11701750992.

It is an arithmetic number, because the mean of its divisors is an integer number (11701750992).

Almost surely, 2^23403501983 is an apocalyptic number.

23403501983 is a deficient number, since it is larger than the sum of its proper divisors (1).

23403501983 is an equidigital number, since it uses as much as digits as its factorization.

23403501983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 23403501983 in words is "twenty-three billion, four hundred three million, five hundred one thousand, nine hundred eighty-three".