23311323030 has 64 divisors (see below), whose sum is σ = 56932243200. Its totient is φ = 6107038080.

The previous prime is 23311323023. The next prime is 23311323037. The reversal of 23311323030 is 3032311332.

It is an interprime number because it is at equal distance from previous prime (23311323023) and next prime (23311323037).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23311322988 and 23311323006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311323037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3588085 + ... + 3594575.

It is an arithmetic number, because the mean of its divisors is an integer number (889566300).

Almost surely, 2^23311323030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23311323030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28466121600).

23311323030 is an abundant number, since it is smaller than the sum of its proper divisors (33620920170).

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

23311323030 is a wasteful number, since it uses less digits than its factorization.

23311323030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8589.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 23311323030 its reverse (3032311332), we get a palindrome (26343634362).

The spelling of 23311323030 in words is "twenty-three billion, three hundred eleven million, three hundred twenty-three thousand, thirty".