23030241302440 has 32 divisors (see below), whose sum is σ = 53218530580680. Its totient is φ = 8963120938752.

The previous prime is 23030241302429. The next prime is 23030241302441. The reversal of 23030241302440 is 4420314203032.

It can be written as a sum of positive squares in 4 ways, for example, as 19116989800804 + 3913251501636 = 4372298^2 + 1978194^2 .

It is a super-2 number, since 2×23030241302440² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23030241302399 and 23030241302408.

It is not an unprimeable number, because it can be changed into a prime (23030241302441) 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, 7780485447 + ... + 7780488406.

Almost surely, 2^{23030241302440} is an apocalyptic number.

23030241302440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23030241302440 is an abundant number, since it is smaller than the sum of its proper divisors (30188289278240).

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

23030241302440 is a wasteful number, since it uses less digits than its factorization.

23030241302440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15560973901 (or 15560973897 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 23030241302440 its reverse (4420314203032), we get a palindrome (27450555505472).

The spelling of 23030241302440 in words is "twenty-three trillion, thirty billion, two hundred forty-one million, three hundred two thousand, four hundred forty".