101245023 has 12 divisors (see below), whose sum is σ = 159537768. Its totient is φ = 61360560.

The previous prime is 101245019. The next prime is 101245033. The reversal of 101245023 is 320542101.

It is not a de Polignac number, because 101245023 - 2² = 101245019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101244987 and 101245005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101245033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 511240 + ... + 511437.

It is an arithmetic number, because the mean of its divisors is an integer number (13294814).

Almost surely, 2^101245023 is an apocalyptic number.

101245023 is a deficient number, since it is larger than the sum of its proper divisors (58292745).

101245023 is a wasteful number, since it uses less digits than its factorization.

101245023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022694 (or 1022691 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 101245023 is about 10062.0585865915. The cubic root of 101245023 is about 466.0772388809.

Adding to 101245023 its reverse (320542101), we get a palindrome (421787124).

The spelling of 101245023 in words is "one hundred one million, two hundred forty-five thousand, twenty-three".