23901737345 has 4 divisors (see below), whose sum is σ = 28682084820. Its totient is φ = 19121389872.

The previous prime is 23901737297. The next prime is 23901737399. The reversal of 23901737345 is 54373710932.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12601409536 + 11300327809 = 112256^2 + 106303^2 .

It is a cyclic number.

It is not a de Polignac number, because 23901737345 - 2⁶ = 23901737281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23901737296 and 23901737305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2390173730 + ... + 2390173739.

It is an arithmetic number, because the mean of its divisors is an integer number (7170521205).

Almost surely, 2^23901737345 is an apocalyptic number.

It is an amenable number.

23901737345 is a deficient number, since it is larger than the sum of its proper divisors (4780347475).

23901737345 is an equidigital number, since it uses as much as digits as its factorization.

23901737345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780347474.

The product of its (nonzero) digits is 476280, while the sum is 44.

The spelling of 23901737345 in words is "twenty-three billion, nine hundred one million, seven hundred thirty-seven thousand, three hundred forty-five".