1023401005 has 8 divisors (see below), whose sum is σ = 1339725024. Its totient is φ = 744291600.

The previous prime is 1023400979. The next prime is 1023401011. The reversal of 1023401005 is 5001043201.

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

It is not a de Polignac number, because 1023401005 - 2¹³ = 1023392813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1023401005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9303591 + ... + 9303700.

It is an arithmetic number, because the mean of its divisors is an integer number (167465628).

Almost surely, 2^1023401005 is an apocalyptic number.

It is an amenable number.

1023401005 is a deficient number, since it is larger than the sum of its proper divisors (316324019).

1023401005 is a wasteful number, since it uses less digits than its factorization.

1023401005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18607307.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1023401005 is about 31990.6393340302. The cubic root of 1023401005 is about 1007.7402686633.

Adding to 1023401005 its reverse (5001043201), we get a palindrome (6024444206).

The spelling of 1023401005 in words is "one billion, twenty-three million, four hundred one thousand, five".