101223516258438 has 32 divisors (see below), whose sum is σ = 231371255160576. Its totient is φ = 28920602395488.

The previous prime is 101223516258421. The next prime is 101223516258461. The reversal of 101223516258438 is 834852615322101.

It is a happy number.

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, 13698156 + ... + 19750607.

It is an arithmetic number, because the mean of its divisors is an integer number (7230351723768).

Almost surely, 2^{101223516258438} is an apocalyptic number.

101223516258438 is an abundant number, since it is smaller than the sum of its proper divisors (130147738902138).

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

101223516258438 is a wasteful number, since it uses less digits than its factorization.

101223516258438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33520828.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 101223516258438 in words is "one hundred one trillion, two hundred twenty-three billion, five hundred sixteen million, two hundred fifty-eight thousand, four hundred thirty-eight".