23402998447 has 2 divisors, whose sum is σ = 23402998448. Its totient is φ = 23402998446.

The previous prime is 23402998373. The next prime is 23402998457. The reversal of 23402998447 is 74489920432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23402998447 - 2⁷ = 23402998319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23402998394 and 23402998403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23402998457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11701499223 + 11701499224.

It is an arithmetic number, because the mean of its divisors is an integer number (11701499224).

Almost surely, 2^23402998447 is an apocalyptic number.

23402998447 is a deficient number, since it is larger than the sum of its proper divisors (1).

23402998447 is an equidigital number, since it uses as much as digits as its factorization.

23402998447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 23402998447 in words is "twenty-three billion, four hundred two million, nine hundred ninety-eight thousand, four hundred forty-seven".