4015023 has 8 divisors (see below), whose sum is σ = 5635200. Its totient is φ = 2535768.

The previous prime is 4015013. The next prime is 4015031. The reversal of 4015023 is 3205104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4015023 - 2⁸ = 4014767 is a prime.

It is a super-2 number, since 2×4015023² = 32240819381058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4014993 and 4015011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4015013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35163 + ... + 35276.

It is an arithmetic number, because the mean of its divisors is an integer number (704400).

Almost surely, 2^4015023 is an apocalyptic number.

4015023 is a deficient number, since it is larger than the sum of its proper divisors (1620177).

4015023 is a wasteful number, since it uses less digits than its factorization.

4015023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70461.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 4015023 is about 2003.7522301921. The cubic root of 4015023 is about 158.9385863054.

The spelling of 4015023 in words is "four million, fifteen thousand, twenty-three".