23226993 has 10 divisors (see below), whose sum is σ = 34697234. Its totient is φ = 15484608.

The previous prime is 23226979. The next prime is 23227007. The reversal of 23226993 is 39962232.

It is an interprime number because it is at equal distance from previous prime (23226979) and next prime (23227007).

It can be written as a sum of positive squares in only one way, i.e., 13417569 + 9809424 = 3663^2 + 3132^2 .

It is not a de Polignac number, because 23226993 - 2⁵ = 23226961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23226293) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 143296 + ... + 143457.

Almost surely, 2^23226993 is an apocalyptic number.

It is an amenable number.

23226993 is a deficient number, since it is larger than the sum of its proper divisors (11470241).

23226993 is an equidigital number, since it uses as much as digits as its factorization.

23226993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286765 (or 286756 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 23226993 is about 4819.4390752452. The cubic root of 23226993 is about 285.3191991511.

It can be divided in two parts, 232 and 26993, that added together give a square (27225 = 165²).

The spelling of 23226993 in words is "twenty-three million, two hundred twenty-six thousand, nine hundred ninety-three".