141631923 has 6 divisors (see below), whose sum is σ = 188870052. Its totient is φ = 94407540.

The previous prime is 141631891. The next prime is 141631927. The reversal of 141631923 is 329136141.

It is not a de Polignac number, because 141631923 - 2⁵ = 141631891 is a prime.

It is a super-2 number, since 2×141631923² = 40119203225355858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (141631927) 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, 17178 + ... + 24048.

It is an arithmetic number, because the mean of its divisors is an integer number (31478342).

Almost surely, 2^141631923 is an apocalyptic number.

141631923 is a deficient number, since it is larger than the sum of its proper divisors (47238129).

141631923 is an frugal number, since it uses more digits than its factorization.

141631923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13745 (or 6874 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 141631923 is about 11900.9210988058. The cubic root of 141631923 is about 521.2591809251.

Multiplying 141631923 by its product of digits (3888), we get a square (550664916624 = 742068²).

The spelling of 141631923 in words is "one hundred forty-one million, six hundred thirty-one thousand, nine hundred twenty-three".