23671779293 has 2 divisors, whose sum is σ = 23671779294. Its totient is φ = 23671779292.

The previous prime is 23671779181. The next prime is 23671779343. The reversal of 23671779293 is 39297717632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18868319044 + 4803460249 = 137362^2 + 69307^2 .

It is a cyclic number.

It is not a de Polignac number, because 23671779293 - 2⁸ = 23671779037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23671779493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11835889646 + 11835889647.

It is an arithmetic number, because the mean of its divisors is an integer number (11835889647).

Almost surely, 2^23671779293 is an apocalyptic number.

It is an amenable number.

23671779293 is a deficient number, since it is larger than the sum of its proper divisors (1).

23671779293 is an equidigital number, since it uses as much as digits as its factorization.

23671779293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6001128, while the sum is 56.

The spelling of 23671779293 in words is "twenty-three billion, six hundred seventy-one million, seven hundred seventy-nine thousand, two hundred ninety-three".