1023420002545 has 8 divisors (see below), whose sum is σ = 1228692469824. Its totient is φ = 818343690864.

The previous prime is 1023420002531. The next prime is 1023420002603. The reversal of 1023420002545 is 5452000243201.

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 1023420002545 - 2¹⁵ = 1023419969777 is a prime.

It is a Duffinian 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, 49027419 + ... + 49048288.

It is an arithmetic number, because the mean of its divisors is an integer number (153586558728).

Almost surely, 2^{1023420002545} is an apocalyptic number.

It is an amenable number.

1023420002545 is a deficient number, since it is larger than the sum of its proper divisors (205272467279).

1023420002545 is an equidigital number, since it uses as much as digits as its factorization.

1023420002545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98077799.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 1023420002545 its reverse (5452000243201), we get a palindrome (6475420245746).

The spelling of 1023420002545 in words is "one trillion, twenty-three billion, four hundred twenty million, two thousand, five hundred forty-five".