40023231019 has 8 divisors (see below), whose sum is σ = 43010040528. Its totient is φ = 37106699520.

The previous prime is 40023230999. The next prime is 40023231037. The reversal of 40023231019 is 91013232004.

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

It is a cyclic number.

It is not a de Polignac number, because 40023231019 - 2¹⁵ = 40023198251 is a prime.

It is a super-2 number, since 2×40023231019² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40023230984 and 40023231002.

It is not an unprimeable number, because it can be changed into a prime (40023231419) 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, 17568322 + ... + 17570599.

It is an arithmetic number, because the mean of its divisors is an integer number (5376255066).

Almost surely, 2^40023231019 is an apocalyptic number.

40023231019 is a deficient number, since it is larger than the sum of its proper divisors (2986809509).

40023231019 is a wasteful number, since it uses less digits than its factorization.

40023231019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35139005.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 40023231019 in words is "forty billion, twenty-three million, two hundred thirty-one thousand, nineteen".