23243015249 has 4 divisors (see below), whose sum is σ = 23636964720. Its totient is φ = 22849065780.

The previous prime is 23243015101. The next prime is 23243015303. The reversal of 23243015249 is 94251034232.

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 a cyclic number.

It is not a de Polignac number, because 23243015249 - 2¹² = 23243011153 is a prime.

It is a super-3 number, since 3×23243015249³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23243011249) 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, 196974647 + ... + 196974764.

It is an arithmetic number, because the mean of its divisors is an integer number (5909241180).

Almost surely, 2^23243015249 is an apocalyptic number.

It is an amenable number.

23243015249 is a deficient number, since it is larger than the sum of its proper divisors (393949471).

23243015249 is an equidigital number, since it uses as much as digits as its factorization.

23243015249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393949470.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 23243015249 in words is "twenty-three billion, two hundred forty-three million, fifteen thousand, two hundred forty-nine".