23747961 has 4 divisors (see below), whose sum is σ = 31663952. Its totient is φ = 15831972.

The previous prime is 23747957. The next prime is 23747993. The reversal of 23747961 is 16974732.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23747961 - 2² = 23747957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23747951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3957991 + ... + 3957996.

It is an arithmetic number, because the mean of its divisors is an integer number (7915988).

Almost surely, 2^23747961 is an apocalyptic number.

It is an amenable number.

23747961 is a deficient number, since it is larger than the sum of its proper divisors (7915991).

23747961 is an equidigital number, since it uses as much as digits as its factorization.

23747961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7915990.

The product of its digits is 63504, while the sum is 39.

The square root of 23747961 is about 4873.1879709283. The cubic root of 23747961 is about 287.4366277461.

The spelling of 23747961 in words is "twenty-three million, seven hundred forty-seven thousand, nine hundred sixty-one".