302423040 has 132 divisors (see below), whose sum is σ = 1048047624. Its totient is φ = 80633856.

The previous prime is 302423039. The next prime is 302423041. The reversal of 302423040 is 40324203.

It is an interprime number because it is at equal distance from previous prime (302423039) and next prime (302423041).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302423041) 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, 42799 + ... + 49361.

Almost surely, 2^302423040 is an apocalyptic number.

302423040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524023812).

302423040 is an abundant number, since it is smaller than the sum of its proper divisors (745624584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

302423040 is a wasteful number, since it uses less digits than its factorization.

302423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6594 (or 6573 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 302423040 is about 17390.3145457464. The cubic root of 302423040 is about 671.2304115046.

Adding to 302423040 its reverse (40324203), we get a palindrome (342747243).

The spelling of 302423040 in words is "three hundred two million, four hundred twenty-three thousand, forty".