623460311131 has 6 divisors (see below), whose sum is σ = 725249749740. Its totient is φ = 534394552356.

The previous prime is 623460311119. The next prime is 623460311143. The reversal of 623460311131 is 131113064326.

It is an interprime number because it is at equal distance from previous prime (623460311119) and next prime (623460311143).

It is not a de Polignac number, because 623460311131 - 2²³ = 623451922523 is a prime.

It is a super-4 number, since 4×623460311131⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 623460311093 and 623460311102.

It is not an unprimeable number, because it can be changed into a prime (623460311101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6361839861 + ... + 6361839958.

It is an arithmetic number, because the mean of its divisors is an integer number (120874958290).

Almost surely, 2^623460311131 is an apocalyptic number.

623460311131 is a deficient number, since it is larger than the sum of its proper divisors (101789438609).

623460311131 is a wasteful number, since it uses less digits than its factorization.

623460311131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12723679833 (or 12723679826 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 623460311131 its reverse (131113064326), we get a palindrome (754573375457).

The spelling of 623460311131 in words is "six hundred twenty-three billion, four hundred sixty million, three hundred eleven thousand, one hundred thirty-one".