101123131434 has 64 divisors (see below), whose sum is σ = 218517264000. Its totient is φ = 31013049600.

The previous prime is 101123131429. The next prime is 101123131451. The reversal of 101123131434 is 434131321101.

It is a happy number.

It is a super-2 number, since 2×101123131434² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50636524 + ... + 50638520.

It is an arithmetic number, because the mean of its divisors is an integer number (3414332250).

Almost surely, 2^101123131434 is an apocalyptic number.

101123131434 is an abundant number, since it is smaller than the sum of its proper divisors (117394132566).

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

101123131434 is a wasteful number, since it uses less digits than its factorization.

101123131434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 101123131434 its reverse (434131321101), we get a palindrome (535254452535).

The spelling of 101123131434 in words is "one hundred one billion, one hundred twenty-three million, one hundred thirty-one thousand, four hundred thirty-four".