623451214230645 has 16 divisors (see below), whose sum is σ = 998358088600512. Its totient is φ = 332228598979200.

The previous prime is 623451214230623. The next prime is 623451214230667. The reversal of 623451214230645 is 546032412154326.

It is an interprime number because it is at equal distance from previous prime (623451214230623) and next prime (623451214230667).

It is not a de Polignac number, because 623451214230645 - 2²⁹ = 623450677359733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 623451214230594 and 623451214230603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17419686331 + ... + 17419722120.

It is an arithmetic number, because the mean of its divisors is an integer number (62397380537532).

Almost surely, 2^{623451214230645} is an apocalyptic number.

It is an amenable number.

623451214230645 is a deficient number, since it is larger than the sum of its proper divisors (374906874369867).

623451214230645 is a wasteful number, since it uses less digits than its factorization.

623451214230645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34839409652.

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 623451214230645 in words is "six hundred twenty-three trillion, four hundred fifty-one billion, two hundred fourteen million, two hundred thirty thousand, six hundred forty-five".