144123631 has 2 divisors, whose sum is σ = 144123632. Its totient is φ = 144123630.

The previous prime is 144123613. The next prime is 144123641. The reversal of 144123631 is 136321441.

Together with previous prime (144123613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144123631 - 2⁵ = 144123599 is a prime.

It is a super-2 number, since 2×144123631² = 41543242025248322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144123596 and 144123605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144123641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72061815 + 72061816.

It is an arithmetic number, because the mean of its divisors is an integer number (72061816).

Almost surely, 2^144123631 is an apocalyptic number.

144123631 is a deficient number, since it is larger than the sum of its proper divisors (1).

144123631 is an equidigital number, since it uses as much as digits as its factorization.

144123631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 144123631 is about 12005.1501864825. The cubic root of 144123631 is about 524.2982381931.

The spelling of 144123631 in words is "one hundred forty-four million, one hundred twenty-three thousand, six hundred thirty-one".