1240202023 has 8 divisors (see below), whose sum is σ = 1285764480. Its totient is φ = 1194826080.

The previous prime is 1240202017. The next prime is 1240202053. The reversal of 1240202023 is 3202020421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1240202023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1240201988 and 1240202006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240202053) 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, 33015 + ... + 59752.

It is an arithmetic number, because the mean of its divisors is an integer number (160720560).

Almost surely, 2^1240202023 is an apocalyptic number.

1240202023 is a deficient number, since it is larger than the sum of its proper divisors (45562457).

1240202023 is an equidigital number, since it uses as much as digits as its factorization.

1240202023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93257.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1240202023 is about 35216.5021403319. The cubic root of 1240202023 is about 1074.3954121213.

Adding to 1240202023 its reverse (3202020421), we get a palindrome (4442222444).

The spelling of 1240202023 in words is "one billion, two hundred forty million, two hundred two thousand, twenty-three".