23001402264 has 64 divisors (see below), whose sum is σ = 60305472000. Its totient is φ = 7296892416.

The previous prime is 23001402257. The next prime is 23001402269. The reversal of 23001402264 is 46220410032.

It is a super-2 number, since 2×23001402264² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001402269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5152 + ... + 214544.

It is an arithmetic number, because the mean of its divisors is an integer number (942273000).

Almost surely, 2^23001402264 is an apocalyptic number.

23001402264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23001402264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30152736000).

23001402264 is an abundant number, since it is smaller than the sum of its proper divisors (37304069736).

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

23001402264 is a wasteful number, since it uses less digits than its factorization.

23001402264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209624 (or 209620 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 23001402264 its reverse (46220410032), we get a palindrome (69221812296).

The spelling of 23001402264 in words is "twenty-three billion, one million, four hundred two thousand, two hundred sixty-four".