1101129423 has 24 divisors (see below), whose sum is σ = 1591664688. Its totient is φ = 674779392.

The previous prime is 1101129409. The next prime is 1101129433. The reversal of 1101129423 is 3249211011.

1101129423 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1101129423 - 2¹² = 1101125327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101129393 and 1101129402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101129433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88461 + ... + 100137.

It is an arithmetic number, because the mean of its divisors is an integer number (66319362).

Almost surely, 2^1101129423 is an apocalyptic number.

1101129423 is a deficient number, since it is larger than the sum of its proper divisors (490535265).

1101129423 is a wasteful number, since it uses less digits than its factorization.

1101129423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11783 (or 11740 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1101129423 is about 33183.2702276313. The cubic root of 1101129423 is about 1032.6332918534.

The spelling of 1101129423 in words is "one billion, one hundred one million, one hundred twenty-nine thousand, four hundred twenty-three".