23490429209 has 8 divisors (see below), whose sum is σ = 25408830720. Its totient is φ = 21587948496.

The previous prime is 23490429199. The next prime is 23490429233. The reversal of 23490429209 is 90292409432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23490429209 - 2⁸ = 23490428953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23490429209.

It is not an unprimeable number, because it can be changed into a prime (23490419209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3977129 + ... + 3983030.

It is an arithmetic number, because the mean of its divisors is an integer number (3176103840).

Almost surely, 2^23490429209 is an apocalyptic number.

It is an amenable number.

23490429209 is a deficient number, since it is larger than the sum of its proper divisors (1918401511).

23490429209 is a wasteful number, since it uses less digits than its factorization.

23490429209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7960399.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 23490429209 in words is "twenty-three billion, four hundred ninety million, four hundred twenty-nine thousand, two hundred nine".