123002240331 has 32 divisors (see below), whose sum is σ = 168629091840. Its totient is φ = 79707608064.

The previous prime is 123002240239. The next prime is 123002240353. The reversal of 123002240331 is 133042200321.

It is not a de Polignac number, because 123002240331 - 2¹³ = 123002232139 is a prime.

It is a super-2 number, since 2×123002240331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123002240298 and 123002240307.

It is not an unprimeable number, because it can be changed into a prime (123002240371) 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, 47434971 + ... + 47437563.

It is an arithmetic number, because the mean of its divisors is an integer number (5269659120).

Almost surely, 2^123002240331 is an apocalyptic number.

123002240331 is a deficient number, since it is larger than the sum of its proper divisors (45626851509).

123002240331 is a wasteful number, since it uses less digits than its factorization.

123002240331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123002240331 its reverse (133042200321), we get a palindrome (256044440652).

The spelling of 123002240331 in words is "one hundred twenty-three billion, two million, two hundred forty thousand, three hundred thirty-one".