23494830149 has 4 divisors (see below), whose sum is σ = 26851234464. Its totient is φ = 20138425836.

The previous prime is 23494830143. The next prime is 23494830167. The reversal of 23494830149 is 94103849432.

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 23494830149 - 2⁸ = 23494829893 is a prime.

It is a super-3 number, since 3×23494830149³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23494830143) 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, 1678202147 + ... + 1678202160.

It is an arithmetic number, because the mean of its divisors is an integer number (6712808616).

Almost surely, 2^23494830149 is an apocalyptic number.

It is an amenable number.

23494830149 is a deficient number, since it is larger than the sum of its proper divisors (3356404315).

23494830149 is an equidigital number, since it uses as much as digits as its factorization.

23494830149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356404314.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 23494830149 in words is "twenty-three billion, four hundred ninety-four million, eight hundred thirty thousand, one hundred forty-nine".