23418981306 has 240 divisors, whose sum is σ = 63904401792. Its totient is φ = 6384873600.

The previous prime is 23418981293. The next prime is 23418981319. The reversal of 23418981306 is 60318981432.

It is an interprime number because it is at equal distance from previous prime (23418981293) and next prime (23418981319).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 15295761 + ... + 15297291.

Almost surely, 2^23418981306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23418981306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31952200896).

23418981306 is an abundant number, since it is smaller than the sum of its proper divisors (40485420486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23418981306 is a wasteful number, since it uses less digits than its factorization.

23418981306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647 (or 1631 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 23418981306 in words is "twenty-three billion, four hundred eighteen million, nine hundred eighty-one thousand, three hundred six".